A special case of the dissection of any two triangles into mutually similar pairs of triangles
| Vol XVIII (1899) 28-29
|
Geometrical Proofs of the Trigonometrical Ratios of 2θ and 3θ
| Vol 38 (1919) Notes
|
Geometrical Proof of tan ½(B - C) / tan ½(B + C) = (b - c) / (b + c)
| Vol 38 (1919) Notes
|
Trigonometrical ratios of the half angles of a triangle
| Vol 39 (1920) Notes
|
Trigonometrical Ratios of (A ± B)
| Vol 40 (1921) 60-61
|
Theorem regarding a regular polygon and a circle cutting its sides, with corollary and application to trigonometry
| Notes: 22 (1924)
|